Alright, let's work through 40405699 times 43601925 step by step
40405699 × 43601925 = 43601925 × (40405699)
+ 43601925 × 9 resulting in 392417325
+ 43601925 × 90 producing 3924173250
+ 43601925 × 600 which equals 26161155000
+ 43601925 × 5000 that is equal 218009625000
+ 43601925 × 00000 which equals 0
+ 43601925 × 400000 that results in 17440770000000
+ 43601925 × 0000000 yielding 0
+ 43601925 × 40000000 resulting in 1744077000000000

= 1761766257370575
